ForeverDiff
WoW Forever talent calculator
Spells / Shield Mastery
Spell · Shaman · Chest rune · Physical same tooltip

Shield Mastery

Other versions of Shield Mastery: all 3 versions · #426980 · #415596

Shield Mastery, a Shaman Chest rune, shows the same tooltip in WoW Forever as in Classic Era, but behind it the client changed the effect type on 1 of its 3 effects. The client does not say what that changes in play.

Applied by Engrave Chest - Shield Mastery and taught by Bulwark Icon and Galvanic Icon. Runes and engraving in WoW Forever →

Shield Mastery tooltip: Classic Era vs WoW Forever

The same tooltip players see in-game, side by side, with each changed line marked.

Classic Era Oct 27, 2026
Shield Mastery
Physical school
Each time you Block, you regenerate mana equal to 8% of your maximum mana and you gain Armor equal to 30% of your shield's armor value, stacking up to 5 times. You also always gain 10% increased chance to Block and 15% increased Block value. In addition, each time you use a Shock ability, you gain 4 Spell Damage for each point of your defense skill beyond an amount that scales with your level. Lasts 15 sec.
Forever Oct 22, 2026
Shield Mastery
Physical school
Each time you Block, you regenerate mana equal to 8% of your maximum mana and you gain Armor equal to 30% of your shield's armor value, stacking up to 5 times. You also always gain 10% increased chance to Block and 15% increased Block value. In addition, each time you use a Shock ability, you gain 4 Spell Damage for each point of your defense skill beyond an amount that scales with your level. Lasts 15 sec.
changed value added in Forever removed in Forever

Both tooltips read the same. The client changed only data behind them: effects (not shown in a tooltip line). See the full field diff below for both values side by side.

Raw field diff every changed column
Field Classic Era Forever
effects [ { "amplitude": 0, "aura": 51, "auraPeriod": 0, "basePoints": 10, "chainAmplitude": 1, "chainTargets": 0, "dieSides": 0, "effect": 6, "index": 0, "miscValue": [ 0, 0 ], "pointsPerResource": 0, "realPointsPerLevel": 0, "triggerSpell": 0, "variance": 0 }, { "amplitude": 0, "aura": 561, "auraPeriod": 0, "basePoints": 15, "chainAmplitude": 1, "chainTargets": 0, "dieSides": 0, "effect": 6, "index": 1, "miscValue": [ 0, 0 ], "pointsPerResource": 0, "realPointsPerLevel": 0, "triggerSpell": 0, "variance": 0 }, { "amplitude": 0, "aura": 4, "auraPeriod": 0, "basePoints": 5, "chainAmplitude": 1, "chainTargets": 0, "dieSides": 0, "effect": 6, "index": 2, "miscValue": [ 0, 0 ], "pointsPerResource": 0, "realPointsPerLevel": 0, "triggerSpell": 0, "variance": 0 } ] [ { "amplitude": 0, "aura": 51, "auraPeriod": 0, "basePoints": 10, "chainAmplitude": 1, "chainTargets": 0, "effect": 6, "index": 0, "miscValue": [ 0, 0 ], "pointsPerResource": 0, "realPointsPerLevel": 0, "triggerSpell": 0, "variance": 0 }, { "amplitude": 0, "aura": 272, "auraPeriod": 0, "basePoints": 15, "chainAmplitude": 1, "chainTargets": 0, "effect": 6, "index": 1, "miscValue": [ 0, 0 ], "pointsPerResource": 0, "realPointsPerLevel": 0, "triggerSpell": 0, "variance": 0 }, { "amplitude": 0, "aura": 4, "auraPeriod": 0, "basePoints": 5, "chainAmplitude": 1, "chainTargets": 0, "effect": 6, "index": 2, "miscValue": [ 0, 0 ], "pointsPerResource": 0, "realPointsPerLevel": 0, "triggerSpell": 0, "variance": 0 } ]

Shield Mastery changes between Forever builds

See every changed record in the Oct 22, 2026 build →

Questions about Shield Mastery

Did Shield Mastery change in WoW Forever?

Not on the tooltip. Shield Mastery shows the same tooltip in WoW Forever as in Classic Era; behind it the client changed the effect type on 1 of its 3 effects.

Which class gets Shield Mastery in WoW Forever?

Shield Mastery is a Shaman rune for the Chest slot in the WoW Forever client.

Read from the Oct 22, 2026 build (1.60.1.70532), compared against Classic Era Oct 27, 2026 (1.15.9.70576) ·synced Oct 27, 2026 · how we read this → · report a wrong value